For all real xxx, which expression is equivalent to (x−2)44\sqrt[4]{(x-2)^4}4(x−2)4?
x−2x - 2x−2
∣x−2∣|x - 2|∣x−2∣
2−x2 - x2−x
(x−2)1/4(x-2)^{1/4}(x−2)1/4